When comparing JSFiddle vs CodeTasty, the Slant community recommends JSFiddle for most people. In the question“What are the best cloud IDEs?” JSFiddle is ranked 5th while CodeTasty is ranked 13th. The most important reason people chose JSFiddle is:
Ranked in these QuestionsQuestion Ranking
Pro CoffeeScript and SCSS support
Pro Allows collaborating on code
JSFiddle makes it easy to save the code snippets and send the link to others who can view and edit the code.
Pro Supports a wide variety of frameworks and extensions
JSFiddle can switch to selection of frameworks and extensions including jQuery, AngularJS, ReactiveJS, D3 simply from a dropdown.
Pro Beautiful, user friendly website
The website has a beautiful design and is very easy to nagivate and find what you're looking for.
Pro Code complete
The entire IDE interface is smooth and flexible, making it easy to use for any developer.
Con Not actually an IDE
JSFiddle is not actually an IDE and is only suitable for small blocks of code.
Con Non free/libre (proprietary)
Con Young project
CodeTasty is a fairly new IDE and still has some catching up to do in terms of community size and ironing out bugs.